body
{
    background-image: url("/image/index.jpg") ;
    background-size: 100%;
    background-repeat: no-repeat;
}
div
{
    margin: 0,auto;
    text-align: center;
}
.enter 
{
    text-align: center;
    /*margin-bottom: 15%;*/
    border-radius: 4px;
    background-color: burlywood;
    height: 90px;
    border: none;
    color: #FFFFFF;
    text-align: center;
    font-size: 28px;
    position: relative;
    width: 200px;
    cursor: pointer;
    margin-top: 200px;
}   
.enter:hover
{
    background-color: #F5F5F5;
    color: black;
}
#picture
{
    position: relative;
    margin: 0 auto;
    padding: 20px;
}
#jiaofuubox {
    width: 100%;
    background-color:powderblue;
    margin-top: 7%;
}
#jiaofu {
    position:relative;
    padding-top: 24px;
    padding-bottom: 24px;
    width: 640px;
    margin: 0 auto;
    display: flex;
}

#jiaofu div {
    width: 50%;
    text-align: center;
}

#jiaofu div p {
    font-size: 18px;
}

#jiaofu div span { 
    text-shadow: #d5ecf4 3px 4px 1px;
    font-size: 36px;
    font-weight: bold;
    color: #05a7ff;
}

#title {
    width: 100%;
    text-align: center;
    height: 400px;
    overflow: hidden;
}

 #title:hover{
    overflow: visible;
}

#title a {
    text-decoration: none;
    color: #ffff;
} 
